Divide the dough in half. Roll out one-half of the dough to ⅛ in/0.3 cm thick and line the pie pan. Reserve the other half, wrapped tightly, under refrigeration.
Combine the sugar, tapioca, cornstarch, salt, nutmeg, cinnamon, lemon juice, and melted butter and toss with the apples.
Fill the pie shell with the apple mixture. Brush the rim of the dough